Base | Representation |
---|---|
bin | 100011110100000011… |
… | …011100000100000110 |
3 | 10200020221111211220102 |
4 | 203310003130010012 |
5 | 1112223243433304 |
6 | 25355440404102 |
7 | 2530634663552 |
oct | 436403340406 |
9 | 120227454812 |
10 | 38454280454 |
11 | 15343491077 |
12 | 7552316632 |
13 | 381aa73305 |
14 | 1c0b1a6862 |
15 | 1000e5ad1e |
hex | 8f40dc106 |
38454280454 has 16 divisors (see below), whose sum is σ = 57910228992. Its totient is φ = 19150943808.
The previous prime is 38454280411. The next prime is 38454280531. The reversal of 38454280454 is 45408245483.
It is a super-2 number, since 2×384542804542 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 38454280399 and 38454280408.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103867 + ... + 1138169.
It is an arithmetic number, because the mean of its divisors is an integer number (3619389312).
Almost surely, 238454280454 is an apocalyptic number.
38454280454 is a deficient number, since it is larger than the sum of its proper divisors (19455948538).
38454280454 is a wasteful number, since it uses less digits than its factorization.
38454280454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36511.
The product of its (nonzero) digits is 2457600, while the sum is 47.
The spelling of 38454280454 in words is "thirty-eight billion, four hundred fifty-four million, two hundred eighty thousand, four hundred fifty-four".
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